This is the therapy by direct currents of different frequencies. This direct currents meet with heavy resistance of epidermis (skin blanket) and, mainly, cause excitation in the form of burning and pricking feeling under electrodes, and hyperemia appearance as a result of superficial vessels dilatation and blood circulation acceleration. Diadynamic currents have pronounced analgetic action, decrease oedemas and congestion effects, improve local circulation of blood, positively affects blood circulation and lymphokinesia. The treatment results in quick healing of trophic ulcers and existing for a long time wounds. Diadynamic currents are prescribed to treat pronounced pains in spinal column, joints, muscles, neuralgia and paralysis. Electric current effect starts right away and relief comes promptly.